Changing the resolution in a RHEV guest causes "Exit message Lost connection with qemu process" error

Issue

• After connecting to a RHEV guest and changing the resolution a few times, the connection to the VM died. The following error messages were seen

  • On the Admin Portal:

    VM name_of_vm is down. Exit message Lost connection with qemu process.
    

  • In /var/log/vdsm/vdsm.log:

    Traceback (most recent call last):
      File "/usr/share/vdsm/utils.py", line 373, in collect
        statsFunction()
      File "/usr/share/vdsm/utils.py", line 250, in __call__
        retValue = self._function(*args, **kwargs)
      File "/usr/share/vdsm/libvirtvm.py", line 71, in _highWrite
        self._vm._dom.blockInfo(vmDrive.path, 0)
      File "/usr/share/vdsm/libvirtvm.py", line 445, in f
        ret = attr(*args, **kwargs)
      File "/usr/share/vdsm/libvirtconnection.py", line 63, in wrapper
        ret = f(*args, **kwargs)
      File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1664, in blockInfo
        if ret is None: raise libvirtError ('virDomainGetBlockInfo() failed', dom=self)
    libvirtError: Unable to read from monitor: Connection reset by peer
    

  • In /var/log/libvirt/qemu/name_of_vm.log:

    display_channel_client_on_disconnect:
    validate_surface: failed on 92
    validate_surface: panic !worker->surfaces[surface_id].context.canvas
    2013-01-11 16:42:25.680+0000: shutting down